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Peilin Ye 43263fd430 media: dvbdev: Fix memory leak in dvb_media_device_free()

commit bf9a40ae8d upstream.

dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn`
before setting it to NULL, as documented in include/media/media-device.h:
"The media_entity instance itself must be freed explicitly by the driver
if required."

Link: https://syzkaller.appspot.com/bug?id=9bbe4b842c98f0ed05c5eed77a226e9de33bf298

Link: https://lore.kernel.org/linux-media/20201211083039.521617-1-yepeilin.cs@gmail.com
Cc: stable@vger.kernel.org
Fixes: 0230d60e46 ("[media] dvbdev: Add RF connector if needed")
Reported-by: syzbot+7f09440acc069a0d38ac@syzkaller.appspotmail.com
Signed-off-by: Peilin Ye <yepeilin.cs@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-05-11 14:47:38 +02:00

dmxdev.c

media: dvb-core: fix epoll() by calling poll_wait first

2019-02-18 14:48:37 -05:00

dvb_ca_en50221.c

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 113

2019-05-24 17:39:01 +02:00

dvb_demux.c

media: dvb-core: Fix receiving invalid EIT-sections

2020-01-08 11:46:34 +01:00

dvb_frontend.c

media: don't drop front-end reference count for ->detach